sp337e Exar Corporation, sp337e Datasheet - Page 9

• Manufacturer Part Number: sp337e
• Description: 3.3v To 5v Rs-232/rs-485/rs-422 Multiprotocol Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.2
F
F
F
IGURE
IGURE
IGURE
4. RS-485 D
5. RS-485 D
6. RS-485 D
V
V
A
DIFF
– V
DI
RIVER
RIVER
RIVER
B
V
V
Vcc
O
O
0V
0V
A
B
+
O
P
T
EN = 0 or Vcc
–
DI = 0 or Vcc
IMING
ROPAGATION
UTPUT
V
O
D
3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
S
IAGRAM
1/2V
DI
HORT
O
3.3V
D
Tx
C
ELAY
IRCUIT
Vcc/2
A
B
D
T
EST
T
EST
t
10%
V
90%
SKEW
t
C
OD
t
9
PLH
DPLH
A
IRCUIT
B
t
R
= |t
DPLH
t
t
DPHL
-7V to +12V V
R
PHL
54Ω
- t
L
DPHL
C
50pF
I
|
OS D
L
Vcc/2
90%
10%
t
F
1/2V
O
SP337E